Melanie Bell, left, listens as Master Gardener Timothy Diko shows how the tracks created by pifson IPS bark beetles in the cambium cell layer of a tree illustrate how deadly these beetles are to trees and forests during a WSU Extension Master Gardener Entomology Lab training class Thursday, March 7, at the WSU Spokane County Extension Center.
April 23, 2024
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April 23, 2024 12:39 p.m.
WSU Extension tackles climate awareness
Groups of gardening enthusiasts were huddled around lab tables examining preserved insect specimens, learning the tell-tales signs of invasive pests that a warming climate could bring to the Pacific Northwest.